swap_horiz Ectillaenus Alternatives

1

Neoasaphus

Neoasaphus is a type of trilobite fossil belonging to the Asaphida order and Asaphidae family. Primarily found in Ordovi...

Russian Ordovician Asaphida Asaphidae

9.2 Excellent

2

Isotelus rex

Isotelus rex is a remarkably large species of trilobite belonging to the Asaphida order. Recovered from Ordovician-age r...

Canadian Ordovician Asaphida Asaphidae

9.1 Excellent

3

Isotelus maximus

Isotelus maximus is a large asaphid trilobite species that lived during the Late Ordovician and is known from rocks in e...

Large Ohio Ordovician Asaphida

9.1 Excellent

4

Neoasaphus kowalewskii

Neoasaphus kowalewskii is a fossil trilobite discovered in Russia’s Ordovician deposits. This species is notable for its...

Russian Iconic Ordovician Asaphida

9.0 Excellent

5

Cyclopyge

Cyclopyge is a genus of trilobites from the Ordovician Period, recognized by exceptionally large compound eyes occupying...

Pelagic Rare Ordovician Asaphida

8.9 Great

6

Asaphus

Asaphus is a genus of trilobite from the Ordovician period, belonging to the family Asaphidae, with fossils primarily fo...

Russian Smooth Ordovician Asaphida

8.6 Great

7

Carolinites

Carolinites is a genus of Ordovician trilobite characterized by very large compound eyes that provided a broad field of...

Pelagic Rare Ordovician Asaphida

8.6 Great

8

Isotelus

Isotelus is an extinct genus of large asaphid trilobite that lived during the Ordovician period. It possessed a smooth,...

Smooth North American Ordovician Asaphida

8.3 Great

9

Bumastus

Bumastus is an extinct genus of Silurian trilobites in the family Illaenidae. Its inflated, smooth exoskeleton has weakl...

Smooth Silurian Asaphida Inflated

6.8 Fair

10

Ogygites

Ogygites is an extinct genus of Ordovician trilobites often placed within Ogygiidae, a group in the order Asaphida. It i...

European Smooth Ordovician Asaphida

6.8 Fair

11

Amphion

Ordovician asaphid trilobite from Baltica, known from Scandinavian and Baltic limestones and characterized by a smooth,...

Smooth Rare Scandinavia Ordovician

6.6 Fair

12

Symphysurus

Symphysurus is an Ordovician genus of trilobites in the family Symphysurinidae. Its fossils are known from regions inclu...

European Smooth Ordovician Asaphida

6.2 Fair

13

Illaenus

Illaenus is a genus of trilobites that lived during the Ordovician and Silurian periods. It is characterized by a broad,...

European Ordovician Asaphida Illaenidae

6.2 Fair

14

Nileus

Nileus is a genus of trilobites that lived during the Ordovician Period. It belongs to the family Nilaeidae and is recog...

Smooth Scandinavian Ordovician Asaphida

6.0 Fair

15

Asaphellus

Asaphellus is an extinct genus of asaphid trilobites from the Ordovician Period. Its fossils are widely reported from Go...

North African Smooth Ordovician Asaphida

5.8 Mediocre

16

Ormathops

Ordovician trilobite from the Anglo-Welsh basin used as a biostratigraphic index fossil for correlating Lower Ordovician...

North African Smooth Ordovician Asaphida

5.2 Mediocre

17

Nileoides

Nileoides is an extinct genus of asaphid trilobites from the Ordovician Period. It is recorded from the Lower to Middle...

European Smooth Ordovician Asaphida

5.0 Mediocre

18

Ananaspis

Ananaspis is an extinct genus of phacopid trilobites in the family Phacopidae, established by Campbell in 1967. It is kn...

European Smooth Silurian Asaphida

5.0 Mediocre

19

Synphoriodes

Ordovician trilobite genus known from European strata, a member of the diverse shallow-marine benthos of the period, wit...

European Smooth Ordovician Asaphida

5.0 Mediocre

20

Acrocephalaspis

Acrocephalaspis is an extinct genus of Cambrian trilobites placed in the family Acrocephalitidae and generally treated w...

North African Smooth Ordovician Asaphida

4.8 Poor